#3761BE#3761BE

#3761BE is a mid, vivid blue. Relative luminance 0.131; OKLCH L 51.4% C 0.154 H 263.6°. Best body text is #FFFFFF at 5.81:1 contrast (WCAG AA passes).

Color values

HEX	#3761BE
RGB	rgb(55, 97, 190)
HSL	hsl(221, 55%, 48%)
HSV	hsv(221, 71%, 75%)
CMYK	cmyk(71.1%, 48.9%, 0%, 25.5%)
CIE-LAB	lab(42.88, 17.25, -53.23)
CIE-LCH	lch(42.88, 55.95, 287.96°)
OKLab	oklab(51.35% -0.0171 -0.1527)
OKLCH	oklch(51.35% 0.154 263.6)
XYZ	xyz(15.1412, 13.0777, 50.4315)
Luminance	0.1308 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3761BE #BE9437

analogous

#37A4BE #3761BE #5037BE

triadic

#3761BE #BE3761 #61BE37

tetradic

#3761BE #BE37A4 #BE9437 #37BE50

square

#3761BE #BE37A4 #BE9437 #37BE50

split-complementary

#3761BE #BE5037 #A4BE37

monochromatic

#1C315F #29498F #3761BE #6184D1 #90A9DF

Accessibility & contrast

On white

5.81

#3761BE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.62

#3761BE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3761BE

5.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3761BE	#FFFFFF	#000000	##FFFFFF
##3761BE	1.00	5.81	3.62	5.81
#FFFFFF	5.81	1.00	21.00	1.00
#000000	3.62	21.00	1.00	21.00
##FFFFFF	5.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2D6CC1

Deuteranopia (green-blind)

#005FBC

Tritanopia (blue-blind)

#007786

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #3761be;
/* rgb */ color: rgb(55, 97, 190);
/* oklch */ color: oklch(51.4% 0.154 263.6);

Tailwind

colors: {
  custom: {
    50: '#7e8dd2',
    500: '#3761be',
    950: '#000000',
  },
}

SCSS

$custom: #3761be;
$custom-light: #7e8dd2;
$custom-dark: #000000;

JSON

{
  "hex": "#3761be",
  "rgb": {
    "r": 55,
    "g": 97,
    "b": 190
  },
  "hsl": {
    "h": 221.333,
    "s": 55.102,
    "l": 48.039
  },
  "oklch": {
    "l": 0.51352,
    "c": 0.1537,
    "h": 263.6
  },
  "luminance": 0.13079
}

Semantic roles & 50–950 ramp

primary

#3761BE

secondary

#CAB587

accent

#B049DE

background

#F8F8FD

surface

#EFF0FA

border

#CACBD3

text

#0B0C14

muted

#7C7D83

Preview Lab

Preview with #3761BE

Body copy rendered with the generated semantic roles for this colour.

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